Robert II, also spelt Rodbert and Chrodobert (died about 807) was a Frankish nobleman who was count of Worms and of Rheingau and duke of Hesbaye around the year 800. He is the earliest known male-line ancestor of the French royal family called the Capetians (including the Valois and the Bourbons), and of other royal families which ruled in Portugal, Spain, and the Kingdom of the Two Sicilies.

Robert of Hesbaye's father, also called Robert, was probably the son of Thuringbert of Worms and Rheingau and thus a grandson of Robert I, Duke of Neustria (c. 697–764). The paternal ancestors of Robert I are known to ascend in line as follows: